PHPDaemon\Thread\Worker::createFunction PHP Метод

    public function createFunction($args, $body, $ttl = null)
    {
        $key = $args . "" . $body;
        if (($f = $this->lambdaCache->getValue($key)) !== null) {
            return $f;
        }
        $f = eval('return function(' . $args . '){' . $body . '};');
        if ($ttl === null && Daemon::$config->lambdacachettl->value) {
            $ttl = Daemon::$config->lambdacachettl->value;
        }
        $this->lambdaCache->put($key, $f, $ttl);
        return $f;
    }